Grover Seamount |
active, confirmed |
arc volcano |
Solomons Arc |
-10.4667 |
164.2500 |
600 |
2002 towed video |
Grimsey Field |
active, confirmed |
mid-ocean ridge |
Kolbeinsey Ridge |
66.6067 |
-17.6542 |
400 |
1997 submersible Jago |
Green Seamount |
inactive |
mid-ocean ridge |
N EPR |
20.8033 |
-109.2833 |
2000 |
1982 submersible Alvin observed only inactive |
Gorda Ridge, GR-15 |
active, inferred |
mid-ocean ridge |
Gorda Ridge |
42.9500 |
-126.5500 |
3365 |
1985 plume only |
Gorda Ridge, EP96B |
active, inferred |
mid-ocean ridge |
Gorda Ridge |
42.5500 |
-126.8333 |
3400 |
1984 deposits only; 1996 plume only |
Gorda Ridge, EP96A |
active, inferred |
mid-ocean ridge |
Gorda Ridge |
42.6790 |
-126.7820 |
3150 |
1996 camera/temperature tow followed by ROV did not confirm hydrothermal activity |
Gorda Ridge, 41 30'N |
inactive |
mid-ocean ridge |
Gorda Ridge |
41.5167 |
-127.4500 |
3350 |
1984 deposits only |
Giggenbach volcano |
active, confirmed |
arc volcano |
Kermadec Arc |
-30.0333 |
-178.7167 |
180 |
2005 submersible PISCES V; 2002 plume only |
Gemini-Oscostar Volcanic Complex |
active, inferred |
arc volcano |
New Hebrides Arc |
-20.9830 |
170.2830 |
100 |
2001 deposits and plume; 2004 plume and sulfide samples |
GEISEIR site 9, segment K3 |
active, inferred |
mid-ocean ridge |
SEIR |
-41.9633 |
82.0600 |
2700 |
2010 plume only |
GEISEIR site 8, segment K3 |
active, inferred |
mid-ocean ridge |
SEIR |
-41.8833 |
81.9816 |
2800 |
2010 plume only |
GEISEIR site 7, segment K3 |
active, inferred |
mid-ocean ridge |
SEIR |
-41.8020 |
81.8380 |
2540 |
1996 plume only; 2010 plume only |
GEISEIR site 6, segment K2 |
active, inferred |
mid-ocean ridge |
SEIR |
-41.6600 |
81.6617 |
2600 |
2007 plume only; 2010 plume only |
GEISEIR site 5, segment K1 |
active, inferred |
mid-ocean ridge |
SEIR |
-41.2420 |
81.1580 |
2860 |
1996 plume only; 2007 plume only |
GEISEIR site 4, segment K1 |
active, inferred |
mid-ocean ridge |
SEIR |
-41.2025 |
81.0625 |
2800 |
2010 plume only |
GEISEIR site 38, segment O4 |
active, inferred |
mid-ocean ridge |
SEIR |
-48.0048 |
98.8232 |
2800 |
2009 plume only |
GEISEIR site 37, segment O4 |
active, inferred |
mid-ocean ridge |
SEIR |
-47.7483 |
98.1756 |
2800 |
2009 plume only |
GEISEIR site 36, segment O3 |
active, inferred |
mid-ocean ridge |
SEIR |
-47.7009 |
98.0631 |
2700 |
2009 plume only |
GEISEIR site 35, segment O3 |
active, inferred |
mid-ocean ridge |
SEIR |
-47.6179 |
97.8678 |
2600 |
2009 plume only |
GEISEIR site 34, segment O3 |
active, inferred |
mid-ocean ridge |
SEIR |
-47.4145 |
97.4373 |
2700 |
2009 plume only |
GEISEIR site 33, segment O2 |
active, inferred |
mid-ocean ridge |
SEIR |
-47.2383 |
97.1566 |
2700 |
2009 plume only |
GEISEIR site 32, segment O2 |
active, inferred |
mid-ocean ridge |
SEIR |
-47.1196 |
96.8947 |
2600 |
2009 plume only |
GEISEIR site 31, segment O1 |
active, inferred |
mid-ocean ridge |
SEIR |
-46.8956 |
96.5709 |
2600 |
2009 plume only |
GEISEIR site 30, segment O1 |
active, inferred |
mid-ocean ridge |
SEIR |
-46.6240 |
96.0594 |
2500 |
2009 plume only |
GEISEIR site 3, segment J4 |
active, inferred |
mid-ocean ridge |
SEIR |
-41.7720 |
79.7530 |
2800 |
1996 plume only |
GEISEIR site 29, segment M6 |
active, inferred |
mid-ocean ridge |
SEIR |
-44.9054 |
94.9673 |
2700 |
2009 plume only |
GEISEIR site 28, segment M6 |
active, inferred |
mid-ocean ridge |
SEIR |
-44.7237 |
94.6039 |
2700 |
2009 plume only |
GEISEIR site 27, segment M5 |
active, inferred |
mid-ocean ridge |
SEIR |
-43.9805 |
93.4571 |
2700 |
2009 plume only |
GEISEIR site 26, segment M4 |
active, inferred |
mid-ocean ridge |
SEIR |
-43.6901 |
92.8451 |
2500 |
2009 plume only |
GEISEIR site 25, segment M4 |
active, inferred |
mid-ocean ridge |
SEIR |
-43.3115 |
92.1335 |
2700 |
2009 plume only |